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#!/bin/bash
#
# Special test cases reported by people
# Testcase 1: Reported here: http://marc.info/?l=linux-pm&m=140618592709858&w=2
# protect against multiple inclusion
if [ $FILE_SPECIAL ]; then
return 0
else
FILE_SPECIAL=DONE
fi
source cpu.sh
source cpufreq.sh
source governor.sh
quick_shuffle()
{
# this is called concurrently from governor_race
for I in `seq 1000`
do
echo ondemand | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor &
echo userspace | sudo tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor &
done
}
governor_race()
{
echo "** Test: Running ${FUNCNAME[0]} **"
echo ""
# run 8 concurrent instances
for I in `seq 8`
do
quick_shuffle &
done
}
# $1: cpu
__simple_lockdep()
{
# switch to ondemand
__switch_governor $1 "ondemand"
# cat ondemand files
local ondir=$(find_gov_directory $1 "ondemand")
if [ -z $ondir ]; then
echo "${FUNCNAME[0]}Ondemand directory not created, quit"
return
fi
cat $ondir/*
# switch to conservative
__switch_governor $1 "conservative"
}
simple_lockdep()
{
echo "** Test: Running ${FUNCNAME[0]} **"
echo ""
for_each_cpu __simple_lockdep
}
# $1: cpu
hotplug_with_updates_cpu()
{
local filepath="$CPU_PATH/$1/cpufreq"
# switch to ondemand
__switch_governor $1 "ondemand"
for i in `seq 1 5000`
do
offline_online_cpu $1
done &
local freqs=$(cat $filepath/scaling_available_frequencies)
local oldfreq=$(cat $filepath/scaling_min_freq)
for j in `seq 1 5000`
do
# Set all frequencies one-by-one
for freq in $freqs; do
echo $freq > $filepath/scaling_min_freq
done
done
# restore old freq
echo $oldfreq > $filepath/scaling_min_freq
}
hotplug_with_updates()
{
for_each_non_boot_cpu hotplug_with_updates_cpu
}
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